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Finding the Fourth Proportional to 202,336.40, 302,813.40 and 177,453.20

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Solution

The fourth proportional to 202,336.40, 302,813.40 and 177,453.20 is: 265,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,336.40 : 302,813.40 = 177,453.20 : x
  2. Step 2: Convert to fraction form
    202,336.40/302,813.40 = 177,453.20/x
  3. Step 3: Cross multiply
    202,336.40x = 302,813.40 × 177,453.20
  4. Step 4: Simplify right side
    202,336.40x = 53,735,206,832.88
  5. Step 5: Solve for x
    x = 53,735,206,832.88/202,336.40
  6. Step 6: Final answer
    x = 265,573.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.